Adtran ISU 512E User Manual download pdf

ISU 512e

512 kbps ISDN Inverse Multiplexer with SNMP

Product Features

■ Low cost inverse

multiplexing

■ Applications include

video-conferencing,

LAN/WAN connectivity,

high-speed file transfer,

and T1 backup

■ Supports up to four ISDN

Basic Rate lines

■ Operates at synchronous

data rates of up to 512 kbps

■ Supports industry stan-

dard BONDING and

Multilink PPP

■ Dialing options include

front panel, stored number,

V.25 bis, DTR dialing, and

an RS-366 dial interface

■ Flash memory for

easy upgrades

■ Remote configuration

over ISDN line

■ Embedded SNMP

and Telnet

■ 10BaseT Ethernet

SNMP access

■ Standard five-year

warranty

The ADTRAN

ISU

™

512e is a standalone

ISDN Service Unit that connects data

terminal equipment (DTE) to the ISDN net-

work. The ISU 512e is specifically designed as

a low-cost solution for applications such as

video-conferencing, T1 backup, LAN/WAN

connectivity, and high-speed file transfer.

Embedded SNMP & Telnet are available

through a 10BaseT Ethernet port. Through

the Management Information Base (MIB)-II

standard and an ADTRAN-supplied enterprise

MIB, the ISU 512e can be configured, moni-

tored and diagnosed using standard SNMP

network management programs such as HP

Openview

, Netview

and SunNet

Manager.

The ISU 512e connects directly to the

ISDN network using up to four Basic Rate

ISDN (BRI) lines. By terminating four BRI

circuits, the ISU 512e can create an aggregate

bandwidth of up to 512 kbps which can be

used to backup a T1 circuit.

Since ISDN is a switched digital service,

bandwidth can be established and utilized on

an as needed basis. Therefore, the ISU 512e is

well suited for applications where a high

bandwidth connection is needed to support

bursty or infrequent traffic like medical image

or large file transfer.

The ISU 512e supports synchronous data

rates from 56 kbps to 512 kbps. At rates over

64 kbps, the ISU 512e supports BONDING

Mode 1 and MLPPP utilizing from one to

eight 64 kbps B channels. By supporting

BONDING the ISU 512e interoperates with

other BONDING-compatible inverse multi-

plexers and ISDN terminal adapters. By

supporting MLPPP the ISU 512e interoperates

with MLPPP compatible routers and bridges.

The ISU 512e can be configured and main-

tained, locally or remotely, using a VT100

terminal interface. For remote configuration,

the unit can be accessed over the ISDN line.

The front panel of the ISU 512e consists

of a two-line by 16 character LCD display,

seven LEDs, and a 16-button keypad. This

allows for configuring, dialing, testing, and

monitoring of the unit without data terminal

or test equipment.

Dialing from the unit is accomplished by

using the front panel, stored numbers, DTR

assertion, or V.25 bis in-band dialing. The

RS-366 parallel dial interface is available

for applications such as video-conferencing.

The ISU 512e also supports dedicated 2B1Q

services. This provides a dedicated point-to-

point service (as in a limited distance modern

or leased line application) with no dialing

necessary.

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ISU 512e 1

Summary of Contents

Page 1 - ISU 512e

ISU 512e512 kbps ISDN Inverse Multiplexer with SNMPProduct Features Low cost inverse multiplexing Applications includevideo-conferencing,LAN/WAN con

Page 2

Specifications subject to change without notice. ISU is a trademark of ADTRAN, Inc. 5ESS is aregistered trademark of Lucent, DMS-100 is a trademark o

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Adtran ISU 512E User Manual

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